Spec 0625
Revise CIE IGCSE Physics 6.1.2a Contents of the Solar System with the question bank, lessons, revision guides, and flashcards.
Describe the Solar System as containing: (a) one star, the Sun (b) the eight named planets and know their order from the Sun (c) minor planets that orbit the Sun, including dwarf planets such as Pluto and asteroids in the asteroid belt (d) moons, that orbit the planets (e) smaller Solar System bodies, including comets and natural satellites • Calculate the time it takes light to travel a significant distance such as between objects in the Solar System • Supplement: Know that planets, minor planets and comets have elliptical orbits, and recall that the Sun is not at the centre of the elliptical orbit, except when the orbit is approximately circular
